The nominal open circuit voltage of a lead-acid cell is _____.

a. 1.0V
b. 1.3V
c. 2.0V
d. 2.5V


c. 2.0V

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In a tilt-up wall building, the wall panels are precast on a concrete slab-on-ground, which is the first floor slab of the building. In some buildings, the first floor of the building is not a concrete slab-on-ground but an elevated slab. Explain how the tilt-up walls are cast in this type of building.

What will be an ideal response?

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What must be done when charging a zeotropic refrigerant into an operating system?

a. Charging by superheat b. Charging liquid through a metering device into the suction service port c. Inverting the refrigerant cylinder d. Adding charge only through the high-pressure side

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What types of communication exist?

What will be an ideal response?

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What is the maximum S-cam endplay permitted when installing a slack adjuster?

A. None B. 0.030 inch C. 0.060 inch D. 0.120 inch

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